An XML deserialization vulnerability was discovered in slf4j's EventData, which accepts an XML serialized string and can lead to arbitrary code execution.
A deserialization flaw in jackson-databind was found allowing code execution when given maliocusly crafted input to readValue method of ObjectMapper.
A deserialization flaw was discovered in the jackson-databind which could allow an unauthenticated user to perform code execution by sending maliciously crafted input to the readValue method of ObjectMapper. This issue extends upon the previous flaws CVE-2017-7525 and CVE-2017-15095 by blacklisting more classes that could be used maliciously.